Home / 187,361.16-258,555.18-102,476.40

Finding the Fourth Proportional to 187,361.16, 258,555.18 and 102,476.40

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Solution

The fourth proportional to 187,361.16, 258,555.18 and 102,476.40 is: 141,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,361.16 : 258,555.18 = 102,476.40 : x
  2. Step 2: Convert to fraction form
    187,361.16/258,555.18 = 102,476.40/x
  3. Step 3: Cross multiply
    187,361.16x = 258,555.18 × 102,476.40
  4. Step 4: Simplify right side
    187,361.16x = 26,495,804,047.75
  5. Step 5: Solve for x
    x = 26,495,804,047.75/187,361.16
  6. Step 6: Final answer
    x = 141,415.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.